Home / 28,194.90-42,297.24-9,476.76

Finding the Fourth Proportional to 28,194.90, 42,297.24 and 9,476.76

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Solution

The fourth proportional to 28,194.90, 42,297.24 and 9,476.76 is: 14,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.90 : 42,297.24 = 9,476.76 : x
  2. Step 2: Convert to fraction form
    28,194.90/42,297.24 = 9,476.76/x
  3. Step 3: Cross multiply
    28,194.90x = 42,297.24 × 9,476.76
  4. Step 4: Simplify right side
    28,194.90x = 400,840,792.14
  5. Step 5: Solve for x
    x = 400,840,792.14/28,194.90
  6. Step 6: Final answer
    x = 14,216.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.